The First Batch Of Advanced Energy Saving Technologies: Micro-suspension Dyeing Technology R & D

Micro-suspension dyeing technique is a unheard of original industrial technology from Xi'an Project University of invention and name

. The technology has been the National Development and Reform Commission, Ministry of Science and Technology and Business Department jointly issued in 2004, the "current priority areas of focus of high-tech industrialization Guide" as a key new technology (44-45 pages). State Environmental Protection Administration has the technology in the 2007 "National Model advanced pollution control technology Directory "(2007, p. 56). >> Textile energy saving in action

Micro-suspension technology was originally in the protein staining Fiber The application of the dyeing process, the protein fibers include wool, mountain Cashmere And Silk . In the dyeing process of wool and cashmere, through our special composite polymer synthesis Additives Added, the formation of the dye bath itself Dye Micro-suspension particles, these tiny particles can be in low temperatures (30-50oC) in uniform fiber surface adsorption. To be basically completed the adsorption process, the dye bath can rapidly warming (> 3oC), at a certain temperature, the dye adsorbed on the fiber surface disintegrated particles, release of dye molecules in situ within the fiber spread and fixation occurs. As the dye is extremely small and micro-particle suspension, which for the fibers and fabrics of the organization has a strong penetrating power, and because it has a uniform adsorption characteristics of self-aligning, can guarantee that dye particles on the fiber surface occurred even in different parts of the adsorption. Compared with the traditional dyeing process, dyeing process in the micro-suspension was stained fibers was significantly shorter heat history of the fiber in the dyeing process consequent damage will be significantly reduced. On the loose fiber dyeing, the dyed fiber spinnability get significantly improved. In silk Textile The dyeing process, because of micro-suspension of the dye in the fiber surface adsorption rate is high, so the percentage of fibers in the dye and fixing the percentage can be significantly enhanced. Micro-suspension with dye from staining brightness and color products increased significantly in significant improvement in feel, the color fastness of dyed materials fully comply with national standards. In the silkworm Silk fabrics The dyeing process can be completely used as accelerants used Salt , So that "no salt dyeing", so as to prevent the fabric in the dyeing process of the phenomenon of recurrent abrasions. In a large enterprise production results show that the adoption of micro-suspension staining of protein fiber dyeing process can reduce the time about 50%, can increase the utilization of dye around 5-10% can be obtained significant " Energy Reduction "effect.

In textiles Pre-treatment Process, the specific micro-suspension of additives can make the common pre-processing aids on fiber access more fully the various impurities, which makes fiber cleaning efficiency improved significantly. In cotton Knitwear Pre-treatment of large-scale production experiment, compared with the traditional process, the maximum temperature in the holding time to reduce the 2 / 3 of the premise, can increase the capillary effect after treatment 2? 3 times, whiteness is also a corresponding increase. The results also show that the suspension by the micro-processing technology before the treated fabric was dyed with reactive dyes in the process of dye fixation rate generally increased over 10%. Cotton cheese effect of pretreatment of cotton knitted fabrics similar pre-treatment effect. In addition, a large color spinning enterprise production results show that micro-suspension technology on cotton loose fiber obtained prior to treatment in addition to the above results, the carpet fibers and can also significantly reduce the phenomenon and neps decreased, so that the fibers in the subsequent drying, opening and cleaning, carding, drawing, combing, roving, and yarn processing can be carried out smoothly. Micro-suspension technique with loose cotton fibers were stained after pre-treatment process can get a similar effect, so that the yarn production efficiency and product quality has improved significantly. Field Test The data show that the micro-suspension process on cotton can be treated prior to the fall after the cotton processing rate of more than 10% reduction can be successfully spun out of 100 and higher counts of yarn, compared with the traditional processing technology can significantly increase productivity, reduce processing losses and to significantly improve product quality and value to their products.

Micro-suspension technology in the textile dyeing and finishing process of the present is mainly reflected in the softening area. Dual amino modified silicone Softener And the cationic softener is a cotton textile finishing additives widely used in the process of species, by the textile auxiliaries are finished with soft smooth performance of other species with silicone softener, nonionic and anionic softeners can not be obtained. Despite the excellent performance of both types of softeners, finishing the course in the high temperature processing conditions, easy to yellow, the color of the products adversely affect the appearance. Thus, many processing enterprises in the production and processing bleaching, bleaching and color-sensitive products are often forced to sacrifice the product soft, smooth performance with the expense of other species and non-ionic silicone softener softener. To address the above situation, we use double-amino-modified silicone softener and cationic softener in the finishing process using a micro-suspension technology. Corresponding large-scale production test and application results show that the micro-suspension system, double amino-modified silicone softener and cationic softener on the role of cotton textiles performance, without reducing the soft smoothness of the case, the finishing textile color almost does not change. Therefore, this technology was tested by the manufacturers of high priority, has begun to accept and apply this technology.

Micro-suspension was dyeing technology is a proven technology for the practical dyeing and finishing, in both theory and practice of traditional dyeing and processing technology is significantly different, which can produce significant results. This new type of textile dyeing and finishing our new technology has completely Intellectual property rights . This technology has been in China Textile Industry Association of attention and support, China Printing and dyeing Industry associations and textile industry of Science and Technology Development Center of the Technical Study Group's work to give a direct and comprehensive support and help. The research team focused on the current study of cotton textile dyeing technology, micro-suspension research and application, in order to generate greater economic and social benefits.

by: gaga

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